with import {} ; let p = callPackage ./. {}; in (p.overrideAttrs (o:{ nativeBuildInputs = with pkgs; [gdb socat]; shellHook = '' export LUA_PATH=`lua -e 'print(package.path)'` export LUA_CPATH=`lua -e 'print(package.cpath)'` export EUFON_PATH=`pwd` ''; })).override { debug = true; }